---
title: kMultiChannelMixerParam_Volume
framework: audiotoolbox
role: symbol
role_heading: Global Variable
path: audiotoolbox/kmultichannelmixerparam_volume
---

# kMultiChannelMixerParam_Volume

The linear gain of the channel.

## Declaration

```swift
var kMultiChannelMixerParam_Volume: AudioUnitParameterID { get }
```

## Discussion

Discussion Global scope. The value should be a number between 0.0 and 1.0. The default value is 1.0.

## See Also

### Constants

- [kMultiChannelMixerParam_Enable](audiotoolbox/kmultichannelmixerparam_enable.md)
- [kMultiChannelMixerParam_Pan](audiotoolbox/kmultichannelmixerparam_pan.md)
- [kMultiChannelMixerParam_PostAveragePower](audiotoolbox/kmultichannelmixerparam_postaveragepower.md)
- [kMultiChannelMixerParam_PostPeakHoldLevel](audiotoolbox/kmultichannelmixerparam_postpeakholdlevel.md)
- [kMultiChannelMixerParam_PreAveragePower](audiotoolbox/kmultichannelmixerparam_preaveragepower.md)
- [kMultiChannelMixerParam_PrePeakHoldLevel](audiotoolbox/kmultichannelmixerparam_prepeakholdlevel.md)